/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/IDisplayClusterRenderManager.h
Returns V-blank monitor interface
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDisplayClusterVblankMonitor](API\Plugins\DisplayCluster\Render\Monitoring\IDisplayClusterVblankMonitor), ESPMode::ThreadSafe > GetVblankMonitor()